1
John V O Brien, Arthur S Holmes, Richard B Hopewell: Process for the separation of landfill gas. Koch Process Systems, Richard P Crowley, July 21, 1987: US04681612 (89 worldwide citation)

A recycle process for the separation of landfill gas containing a wide variety of impurities into a carbon dioxide product stream and a fuel-grade-pressurized methane product stream, the process providing for the removal of both the impurities and the carbon dioxide in a cryogenic column as a bottom ...


2
John V O Brien, Robert A Wojnarowski: Method of controlling vapor loss from containers of volatile chemicals. Process Systems International, Shook Hardy & Bacon, January 5, 1993: US05176002 (21 worldwide citation)

A substantially closed vapor control system is provided for recovering volatilized vapors released during the filling of storage and other types of tanks with hydrocarbons or other volatile chemicals. An inert gas is supplied to thetank and mixes with the volatilized vapors during loading of the hyd ...


3
James M Ryan, John V O Brien: Distillative separation employing bottom additives. Koch Process Systems, Richard P Crowley, January 31, 1984: US04428759 (20 worldwide citation)

An improved method for the distillation of a feed stream containing hydrocarbon components, which method is directed toward the production of a bottom product stream and an overhead product stream, both with desired specifications, which method comprises recycling a minor portion of the bottom produ ...


4
John V O Brien: Distillative separation of methane and carbon dioxide. Koch Process Systems, Hamilton Brook Smith & Reynolds, May 17, 1983: US04383842 (17 worldwide citation)

An improvement in a Ryan/Holmes separation of methane from carbon dioxide is disclosed wherein the upper portion of a distillation column is operated at temperatures above the triple point of carbon dioxide, i.e., -70.degree. F., while still effectuating a separation of methane from carbon dioxide. ...


5
James M Ryan, John V O Brien: Energy-saving distillative separation using low-temperature heat input. Koch Process Systems, Richard P Crowley, April 24, 1984: US04444576 (17 worldwide citation)

A method for the distillative separation of a feed stream containing light hydrocarbons and acid gas components in a distillative column into an enriched overhead product, such as a carbondioxide fraction, and an enriched bottom product of C.sub.2 + and hydrogen sulfide, the method which comprises: ...


6
John V O Brien: Distillative separation of methane and carbon dioxide. Koch Process Systems, Richard P Crowley, May 29, 1984: US04451274 (10 worldwide citation)

An improvement in a Ryan/Holmes separation of methane from carbon dioxide is disclosed wherein the upper portion of a distillation column is operated, i.e., -70.degree. F., while still effectuating a separation of methane from carbon dioxide. This is achieved by increasing the amount of nonpolar liq ...


7
James J Nicholson Sr, Erwin P Miller, Daniel P Walsh, Steve A Bowles, John V O Brien: Pipe sealing and anti-corrosion system. Miller Pipeline, Bacon & Thomas, February 19, 1991: US04993875 (6 worldwide citation)

An anti-corrosion sealing assembly for use between a protective casement sleeve and a pipe to be protected is disclosed. The pipe extends through the protective casement sleeve such that an annular casement cavity is formed therebetween. The sealing assembly includes a muff arrangement secured betwe ...


8
James M Ryan, John V O Brien: Distillative separation employing bottom additives. Koch Process Systems, Richard P Crowley, February 16, 1988: USRE032600

An improved method for the distillation of a feed stream containing hydrocarbon components, which method is directed toward the production of a bottom product stream and an overhead product stream, both with desired specifications, which method comprises recycling a minor portion of the bottom produ ...


9
James M Ryan, John V O Brien: Distillative separation employing bottom additives. Koch Process Systems, Richard P Crowley, January 21, 1986: USRE032068

An improved method for the distillation of a feed stream containing hydrocarbon components, which method is directed toward the production of a bottom product stream and an overhead product stream, both with desired specifications, which method comprises recycling a minor portion of the bottom produ ...


10
John V O Brien: Separating nitrogen from methane in the production of LNG. Calfee Halter & Griswold, September 25, 2003: US20030177786-A1

Substantially all the nitrogen is removed from natural gas during the production of LNG, without producing mixed nitrogen/methane streams needing recycle and further processing, or requiring compression for burning as fuel, by operating both the high pressure and the low pressure multistage distilla ...



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